Answer this question truthfully
### Question: What causes Polyhydramnios?
### Response: Polyhydramnios can occur if the fetus does not swallow and absorb amniotic fluid in normal amounts. This can happen due to:
Gastrointestinal disorders, such as duodenal atresia, esophageal atresia, gastroschisis, and diaphragmatic hernia Brain and nervous system (neurological) problems, such as anencephaly and myotonic dystrophy A variety of other causes, such as poorly controlled diabetes, achondroplasia, Beckwith-Wiedemann syndrome
Polyhydramnios may also be related to increased fluid production, which occurs with:
Certain fetal lung disorders Multiple gestation (for example, twins or triplets) Hydrops fetalis
Sometimes, no specific cause for polyhydramnios is found.